单词:plunger type line switch
单词:plunger type line switch 相关文章
[00:00.00]Unit 3 A computer class [00:04.78]1 Listen and then read the dialogue in pairs. [00:11.86]Li Meng and his classmates are in a computer lab learning how to use office 2000. [00:19.72](Teacher walks in and asks the students to turn on their
自己若非对方所要找的当事人,无分机的场合可找当事人前来接听,有分机的场合把该通电话转过去即可。大公司或旅馆等场所,通常由总机负责转接电话。对方若不清楚该找哪个部门的人时
elevated railway, overhead railway, aerial railway 高架铁路 mine railway 矿区铁路 funicular (railway) 缆索铁路,登山铁路 light railway line 轻便铁道 urban railway 市区铁路 rai
UNITED NATIONS, April 15 (Xinhua) -- A new polio vaccine will be rolled out next week to replace the one which protects against all three strains of wild poliovirus. It marked the beginning of the largest and fastest globally coordinated rollout of a
报价版函电 (一) Dear Sirs: This time last year you placed an order for Type BS362 12-volt sealed batteries. This is adiscontinued line which we had on offer at the time. We now have a similar product on offer, Type CN233. It occurs to us th